Finding the Fourth Proportional to 274.95, 379.08 and 201.24
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Solution
The fourth proportional to 274.95, 379.08 and 201.24 is: 277.45
Step by Step Solution
- Step 1: Write the proportion equation
274.95 : 379.08 = 201.24 : x - Step 2: Convert to fraction form
274.95/379.08 = 201.24/x - Step 3: Cross multiply
274.95x = 379.08 × 201.24 - Step 4: Simplify right side
274.95x = 76,286.06 - Step 5: Solve for x
x = 76,286.06/274.95 - Step 6: Final answer
x = 277.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.